:root {
  --ink: #1c1b19;
  --ink-soft: #55524c;
  --paper: #f7f5ef;
  --card: #ffffff;
  --green: #1e4d2b;
  --green-deep: #163b21;
  --green-tint: #9dbba5;
  --red: #d93025;
  --red-dark: #b3271e;
  --navy: #2b3a8f;
  --brass: var(--green);
  --brass-dark: var(--green-deep);
  --line: #e3dfd4;
  --dark: #1b3d25;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}

h1, h2, h3, .serif { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #ffffff;
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--green);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 46px; width: auto; }
.logo .logo-tag {
  font-family: "Jost", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.4px;
  line-height: 1;
  color: var(--green);
  padding-left: 12px;
  border-left: 1px solid var(--line);
  white-space: nowrap;
}
.logo .lt-thin { font-weight: 300; margin-left: 6px; color: var(--ink-soft); }
.main-nav { display: flex; gap: 28px; align-items: center; font-size: 14px; letter-spacing: 0.5px; }
.main-nav a { color: var(--ink-soft); transition: color .2s; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.btn-quote-nav {
  background: var(--green); color: #fff !important;
  padding: 8px 18px; border-radius: 999px; font-size: 13px;
}
.btn-quote-nav:hover { background: var(--green-deep); }
#cart-count {
  background: var(--red); color: #fff; font-size: 11px;
  border-radius: 999px; padding: 1px 7px; margin-left: 4px;
}
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--dark); color: #f4f1ec;
  overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px;
  align-items: center; min-height: 560px; padding: 60px 0;
}
.hero h1 { font-size: 52px; line-height: 1.15; margin-bottom: 20px; }
.hero h1 em { color: #f0c9a8; font-style: italic; }
.hero p.lede { font-size: 17px; color: #c3d4c8; max-width: 480px; margin-bottom: 32px; }
.hero-img {
  height: 480px; border-radius: var(--radius); overflow: hidden;
  background: #24522f;
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 999px;
  font-size: 14px; letter-spacing: 0.5px; cursor: pointer; border: none;
  transition: all .2s;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-ghost { border: 1px solid #5d7f66; color: #f4f1ec; background: transparent; margin-left: 12px; }
.btn-ghost:hover { border-color: #f0c9a8; color: #f0c9a8; }
.btn-dark { background: var(--green); color: #fff; }
.btn-dark:hover { background: var(--green-deep); }

.trust-bar {
  border-top: 1px solid #2f5a3a; padding: 22px 0;
  display: flex; gap: 48px; flex-wrap: wrap;
  font-size: 13px; color: #a8c3b0; letter-spacing: 1px;
}
.trust-bar b { color: #f7f5ef; font-weight: 500; }

/* ---------- Sections ---------- */
section.block { padding: 72px 0; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 36px; }
.section-head h2 { font-size: 32px; }
.section-head a { font-size: 14px; color: var(--brass-dark); }
.kicker {
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--green); margin-bottom: 10px;
}
.dark-band .kicker, .page-hero .kicker, .hero .kicker { color: var(--green-tint) !important; }

/* Category cards */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--card); border: 1px solid var(--line);
  transition: transform .25s, box-shadow .25s;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(28,27,25,.10); }
.cat-card .thumb { height: 260px; background: #f1efe9; }
.cat-card .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 18px; }
.cat-card .label { padding: 16px 18px; display: flex; justify-content: space-between; align-items: center; }
.cat-card .label h3 { font-size: 17px; }
.cat-card .label span { color: var(--red); }

/* Product grid */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-bar button {
  border: 1px solid var(--line); background: var(--card); color: var(--ink-soft);
  padding: 8px 20px; border-radius: 999px; font-size: 13px; cursor: pointer;
}
.filter-bar button.on { background: var(--green); color: #fff; border-color: var(--green); }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.prod-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .25s;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(28,27,25,.10); }
.prod-card .ph { height: 250px; background: #fff; }
.prod-card .ph img { width: 100%; height: 100%; object-fit: contain; padding: 14px; }
.prod-card .info { padding: 14px 16px 18px; border-top: 1px solid var(--line); }
.prod-card .sku { font-size: 15px; font-weight: 500; }
.prod-card .cat { font-size: 12px; color: var(--ink-soft); letter-spacing: 1px; text-transform: uppercase; margin: 2px 0 12px; }
.prod-card .add {
  width: 100%; padding: 9px 0; font-size: 13px; cursor: pointer; color: var(--green);
  border: 1px solid var(--green); background: transparent; border-radius: 999px;
  transition: all .2s;
}
.prod-card .add:hover, .prod-card .add.added { background: var(--green); color: #fff; }

/* Split feature (OEM) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .img { border-radius: var(--radius); overflow: hidden; height: 420px; background: #eceae4; }
.split .img img { width: 100%; height: 100%; object-fit: cover; }
.split h2 { font-size: 34px; margin-bottom: 18px; }
.split p { color: var(--ink-soft); margin-bottom: 16px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step .num { font-family: Georgia, serif; font-size: 30px; color: var(--brass); margin-bottom: 10px; }
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--ink-soft); }

.dark-band { background: var(--dark); color: #f4f1ec; }
.dark-band p { color: #c3d4c8; }
.dark-band .step { background: #26522f; border-color: #2f5a3a; }
.dark-band .step p { color: #a8c3b0; }
.dark-band .step .num { color: #f0c9a8; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
label.f { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; }
input[type=text], input[type=email], select, textarea {
  width: 100%; padding: 12px 14px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 8px; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brass); border-color: transparent; }

/* Quote cart */
.q-row {
  display: grid; grid-template-columns: 90px 1fr 130px 40px; gap: 18px;
  align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line);
}
.q-row .ph { width: 90px; height: 90px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.q-row .ph img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.q-row input.qty { width: 100%; text-align: center; padding: 9px; }
.q-row .rm { background: none; border: none; color: #b04a3a; cursor: pointer; font-size: 18px; }
.empty-note { padding: 48px 0; text-align: center; color: var(--ink-soft); }

/* ---------- Product detail page ---------- */
.pdp-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; align-items: start; }
.pdp-main {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  height: 520px; overflow: hidden;
}
.pdp-main img { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.pdp-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pdp-thumb {
  width: 84px; height: 84px; padding: 0; cursor: pointer; background: #fff;
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
}
.pdp-thumb.on { border-color: var(--green); border-width: 2px; }
.pdp-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
#pdp h1 { font-size: 40px; margin-bottom: 14px; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th, .spec-table td {
  text-align: left; padding: 11px 0; border-bottom: 1px solid var(--line); vertical-align: top;
}
.spec-table th {
  width: 34%; font-weight: 400; color: var(--ink-soft);
  letter-spacing: 0.5px; padding-right: 16px;
}
.spec-table thead th { color: var(--green); border-bottom: 1px solid var(--green); width: auto; }
.variant-table tbody tr.v-row { cursor: pointer; transition: background .15s; }
.variant-table tbody tr.v-row:hover { background: #fff; }
.variant-table tbody tr.v-row.on td { color: var(--green); font-weight: 500; }
.variant-table tbody tr.v-row.on td:first-child { box-shadow: inset 3px 0 0 var(--green); padding-left: 10px; }
.spec-note {
  margin-top: 14px; font-size: 13px; color: var(--ink-soft);
  background: #fff; border-left: 3px solid var(--green); padding: 10px 14px; border-radius: 0;
}
.prod-card .sku { display: block; }
.prod-card .sku:hover { color: var(--green); }

/* FAQ */
details {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); padding: 18px 22px; margin-bottom: 12px;
}
details summary { cursor: pointer; font-size: 16px; font-weight: 500; }
details p { margin-top: 12px; color: var(--ink-soft); font-size: 14px; }

/* Footer */
.site-footer { background: var(--dark); color: #a8c3b0; margin-top: 72px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px;
  padding: 56px 0 40px;
}
.site-footer h4 { color: #f4f1ec; font-size: 14px; letter-spacing: 1px; margin-bottom: 16px; font-weight: 500; }
.site-footer a { display: block; font-size: 14px; margin-bottom: 10px; }
.site-footer a:hover { color: #f0c9a8; }
.footer-bottom {
  border-top: 1px solid #2f5a3a; padding: 20px 0; font-size: 12px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.newsletter { display: flex; gap: 8px; margin-top: 6px; }
.newsletter input { flex: 1; background: #26522f; border: 1px solid #2f5a3a; color: #f4f1ec; }

/* Floating catalogue download button */
.chat-fab {
  position: fixed; right: 24px; bottom: 24px; z-index: 60;
  background: var(--red); color: #fff; border: none; cursor: pointer;
  border-radius: 999px; padding: 14px 22px;
  font-family: inherit; font-size: 14px; letter-spacing: .3px;
  display: inline-flex; align-items: center; gap: 9px;
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
  transition: background .2s, transform .2s;
}
.chat-fab:hover { background: var(--red-dark); transform: translateY(-2px); }
.chat-fab svg { width: 17px; height: 17px; flex: none; }
@media (max-width: 560px) {
  .chat-fab { right: 16px; bottom: 16px; padding: 12px 18px; font-size: 13px; }
}

/* ---------- Contact page ---------- */
.contact-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px; align-items: stretch;
}
.c-card {
  background: #26522f; border: 1px solid #2f5a3a; border-radius: 12px;
  padding: 26px 24px;
  display: flex; flex-direction: column;
}
.c-card h3 { font-size: 22px; color: #f7f5ef; margin-bottom: 4px; }
.c-region {
  font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--green-tint); margin-bottom: 10px;
}
.c-role { font-size: 13px; color: #a8c3b0; margin-bottom: 16px; flex: 1; }
.c-mail { font-size: 14px; color: #f0c9a8; word-break: break-all; }
.c-mail:hover { text-decoration: underline; }
.dark-band .split h3 { color: #f4f1ec; }

@media (max-width: 860px) {
  .contact-row { grid-template-columns: 1fr; }
}

/* ---------- Downloads page ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.dl-card {
  display: grid; grid-template-columns: 190px 1fr;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.dl-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(28,27,25,.10); }
.dl-cover { background: var(--paper); border-right: 1px solid var(--line); }
.dl-cover img { width: 100%; height: 100%; object-fit: contain; padding: 18px; }
.dl-body { padding: 22px 24px; }
.dl-body h3 { font-size: 21px; margin-bottom: 6px; }
.dl-body p { font-size: 14px; color: var(--ink-soft); margin-bottom: 10px; }
.dl-meta {
  font-size: 12px !important; letter-spacing: 1px; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 16px !important;
}

/* ---------- Email gate modal ---------- */
#lead-modal { position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center; }
.lead-backdrop { position: absolute; inset: 0; background: rgba(21, 40, 27, .55); }
.lead-box {
  position: relative; z-index: 1; width: min(440px, calc(100vw - 40px));
  background: var(--card); border-radius: 14px; padding: 34px 34px 28px;
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.lead-box h3 { font-size: 25px; margin-bottom: 12px; }
.lead-note { font-size: 14px; color: var(--ink-soft); margin-bottom: 20px; }
.lead-fine { font-size: 12px; color: var(--ink-soft); margin-top: 14px; text-align: center; letter-spacing: 1px; }
.lead-x {
  position: absolute; top: 12px; right: 14px; background: none; border: none;
  font-size: 26px; line-height: 1; color: var(--ink-soft); cursor: pointer; padding: 4px 8px;
}
.lead-x:hover { color: var(--ink); }
@media (max-width: 760px) {
  .dl-grid { grid-template-columns: 1fr; }
  .dl-card { grid-template-columns: 130px 1fr; }
}

/* Toast */
#toast {
  position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: #fff; padding: 12px 24px; border-radius: 999px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: all .3s; z-index: 70;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Page hero (inner pages) */
.page-hero { background: var(--dark); color: #f4f1ec; padding: 64px 0; }
.page-hero h1 { font-size: 42px; margin-bottom: 12px; }
.page-hero p { color: #c3d4c8; max-width: 560px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .split, .form-grid, .pdp-grid { grid-template-columns: 1fr; }
  .pdp-main { height: 380px; }
  #pdp h1 { font-size: 30px; }
  .hero h1 { font-size: 38px; }
  .cat-grid, .prod-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--paper); flex-direction: column; padding: 20px;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .cat-grid, .prod-grid, .steps { grid-template-columns: 1fr; }
  .q-row { grid-template-columns: 70px 1fr 80px 30px; gap: 10px; }
}